andygrove commented on code in PR #1667:
URL: https://github.com/apache/datafusion-comet/pull/1667#discussion_r2068991765
##########
spark/src/main/scala/org/apache/comet/DataTypeSupport.scala:
##########
@@ -33,20 +37,25 @@ trait DataTypeSupport {
* @return
* true if the datatype is supported
*/
- def isAdditionallySupported(dt: DataType): Boolean = false
+ def isAdditionallySupported(
+ dt: DataType,
+ name: String,
+ fallbackReasons: ListBuffer[String]): Boolean = false
- private def isGloballySupported(dt: DataType): Boolean = dt match {
- case ByteType | ShortType
- if CometSparkSessionExtensions.usingDataFusionParquetExec(SQLConf.get)
&&
- !CometConf.COMET_SCAN_ALLOW_INCOMPATIBLE.get() =>
- false
- case BooleanType | ByteType | ShortType | IntegerType | LongType |
FloatType | DoubleType |
- BinaryType | StringType | _: DecimalType | DateType | TimestampType =>
- true
- case t: DataType if t.typeName == "timestamp_ntz" =>
- true
- case _ => false
- }
+ private def isGloballySupported(dt: DataType, fallbackReasons:
ListBuffer[String]): Boolean =
+ dt match {
+ case ByteType | ShortType
+ if usingParquetExecWithIncompatTypes(
+ CometConf.COMET_NATIVE_SCAN_IMPL.get(SQLConf.get)) =>
+ fallbackReasons += s"${CometConf.COMET_SCAN_ALLOW_INCOMPATIBLE.key} is
false"
+ false
+ case BooleanType | ByteType | ShortType | IntegerType | LongType |
FloatType | DoubleType |
+ BinaryType | StringType | _: DecimalType | DateType | TimestampType
=>
+ true
+ case t: DataType if t.typeName == "timestamp_ntz" =>
+ true
+ case _ => false
Review Comment:
I will help with this today
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